Hair dryer



FIG. 1 is a perspective view of a hair drier showing my new design;

FIG. 2 is a front elevational view of the hair drier of FIG. 1;

FIG. 3 is a side elevational view of the hair drier of FIG. 1;

FIG. 4 is a rear elevational view of the hair drier of FIG. 1;

FIG. 5 is a top plan view of the hair drier of FIG. 1; and,

FIG. 6 is a bottom plan view of the hair drier of FIG. 1. 

The ornamental design for a hair drier, as shown and described. 